body{
    background-color: #2196F3;
}
.header {
    background-color: #2196F3;
    color: white;
    text-align: center;
    padding: 15px;
}
.header h3{
    font-size:60px;
}
.header p{
    font-size:30px;
}
#result_block{
    background-color: #444;
    color: white;
    padding: 15px;
}
ul{
    list-style-type: decimal;
}
